Games Workshop has released an Errata and FAQ document for the new Skaven book. These rulings will be in effect for the Warmaster's Fantasy Challenge.

The FAQ can be found here:
http://www.games-workshop.com/MEDIA_CustomProductCatalog/m1000262a_FAQ_Skaven_Mar2010.pdf

We will be providing an updated FAQ for Warmasters on Wednesday.

Regards,
The Warmaster's Council